PDBe 3k0k

X-ray diffraction
2.7Å resolution

Crystal Structure of BRCA1 BRCT in complex with a minimal recognition tetrapeptide with a free carboxy C-terminus.

Released:

Function and Biology Details

Reaction catalysed:
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Breast cancer type 1 susceptibility protein Chain: A
Molecule details ›
Chain: A
Length: 215 amino acids
Theoretical weight: 24.66 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P38398 (Residues: 1646-1859; Coverage: 12%)
Gene names: BRCA1, RNF53
Sequence domains: BRCA1 C Terminus (BRCT) domain
Structure domains: BRCT domain
phospho peptide pSPTF-COOH Chain: B
Molecule details ›
Chain: B
Length: 4 amino acids
Theoretical weight: 530 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P6122
Unit cell:
a: 114.422Å b: 114.422Å c: 123.005Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.261 0.259 0.299
Expression systems:
  • Escherichia coli
  • Not provided